CHEMICAL REACTION ENGINEERING QUIZ

Molecularity of a reaction

Can

May not be equal to the order of reaction

Both B and C

Is always equal to the overall order of reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is

Maximum at the exit of the reactor

Maximum at the centre of the reactor

Constant throughout the reactor

Maximum at the inlet of the reactor

TRUE ANSWER : ?
YOUR ANSWER : ?

Sulphuric acid is used as a catalyst in the

Alkylation of hydrocarbons

Hydrogenation of oils

Gas phase oxidation of SO₂ in chamber process

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased?

H₂ + I₂ ⇋ 2HI

H₂ + Cl₂ ⇋ 2HCl

N₂O₄ ⇋ 2 NO₂

N₂ + O₂ ⇋ 2NO

TRUE ANSWER : ?
YOUR ANSWER : ?

Promoter is added to the catalyst to improve its

Surface area

None of these

Sensitivity

Porosity

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical kinetics can predict the __________ of a chemical reaction.

Both A & B

Neither A nor B

Rate

Feasibility

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion)

Increases

Remains same

Decreases

Increases linearly

TRUE ANSWER : ?
YOUR ANSWER : ?

A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

Data insufficient, can't be predicted

0.33

0.5

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Enzymes are destroyed, when the

Reactant's concentration is very low

Reaction rate is independent of the reactant's concentration

Temperature is very high

Reactant's concentration is very high

TRUE ANSWER : ?
YOUR ANSWER : ?

In an exothermic reaction, the energy of the reacting substances as compared to that of products is

Either A or B, depends on order of reaction

More

Same

Less

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YOUR ANSWER : ?

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